Home / 900,141.63-1,350,877.05-426,828.66

Finding the Fourth Proportional to 900,141.63, 1,350,877.05 and 426,828.66

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Solution

The fourth proportional to 900,141.63, 1,350,877.05 and 426,828.66 is: 640,558.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,141.63 : 1,350,877.05 = 426,828.66 : x
  2. Step 2: Convert to fraction form
    900,141.63/1,350,877.05 = 426,828.66/x
  3. Step 3: Cross multiply
    900,141.63x = 1,350,877.05 × 426,828.66
  4. Step 4: Simplify right side
    900,141.63x = 576,593,041,076.25
  5. Step 5: Solve for x
    x = 576,593,041,076.25/900,141.63
  6. Step 6: Final answer
    x = 640,558.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.